_spf.facebook.com TXT records

TXT Human readable text
1h
SPF
Sender policy
v=spf1 ip4:66.220.144.128/25 ip4:66.220.155.0/24 ip4:66.220.157.0/25 ip4:69.63.178.128/25 ip4:69.63.181.0/24 ip4:69.63.184.0/25 ip4:69.171.232.0/24 ip4:69.171.244.0/23 -all

Question and response

Question

dig _spf.facebook.com. TXT

Answer

_spf.facebook.com. 3600 TXT "v=spf1 ip4:66.220.144.128/25 ip4:66.220.155.0/24 ip4:66.220.157.0/25 ip4:69.63.178.128/25 ip4:69.63.181.0/24 ip4:69.63.184.0/25" " ip4:69.171.232.0/24 ip4:69.171.244.0/23 -all"

Authority

The response has no authority records.

Additional

. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0